TEMPERATURE HiTESTER 3442

The 3441 and 3442 temperature meters provide high-resolution measurements across a wide range of temperatures using K type thermocouples. With its drip-proof design, the 3442 delivers extended versatility, allowing use in moisture-prone environments when used with a special-purpose temperature probe.

Key Features

Model 3442 : Waterproof construction
-100°C to 199.9°C: 0.1°C resolution, 200°C to 1300°C: 1°C resolution
More than 200 hours (1 week) of continuous operation on a single battery
Max./Min. value recording function and sensor disconnection check function

Model No. (Order Code)

3442	Discontinued, °C only, Waterproof construction

Note: These products cannot perform measurement alone. Please purchase a temperature probe separately.

Basic specifications

Accuracy guaranteed: 6 months

Sensor	K type thermocouple, (Chromel / Almel)
Measurement range	-100 °C to 1300 °C The actual measurement range is restricted by the temperature probe (0.1 °C Resolution/ -100 °C to 199.9 °C, 1°C Resolution/ 200 °C to 1300 °C)
Unit accuracy	±0.1 % rdg. ±0.8 °C (-100 °C to 199.9 °C) ±0.2 % rdg. ± 1 °C (200 °C to 1300 °C) *Accuracy of temperature sensor is added
Water-resistant construction	IP 54 (EN 60529: 1991)
Sampling rate	2 times/s
Contact compensation	Auto compensation
Functions	Max/Min data recording and display, display data hold, sensor broken down display, auto power save, low battery warning
Power supply	R6P (AA) manganese battery ×4, or LR6 (AA) alkaline battery ×4, Continuous use : 200 hr or better (with manganese battery), Max. rated consumption : 35 mVA
Dimensions and mass	74 mm (2.91 in)W × 155 mm (6.10 in)H × 24 mm (0.94 in)D, 160 g (5.6 oz)
Included accessories	R6P (AA) manganese battery ×4, Strap band ×1, Instruction manual ×1

Probe specifications (9472, 9473, 9474, 9475: Waterproof construction)

*1 Sheath type: Responsiveness in ice water at 0°C (32°F) and in boiling water at 100 °C (212 °F)
Surface type: Responsiveness on a metal surface at 0 °C (32°F) and at 100 °C (212 °F)
*2 At -40°C (-40°F ) and more , the greater of ±1.5°C (±2.7°F) and ±0.4 % of the measured value
*3 ±2.5 °C [ (T-Ts) ≤ 100°C ], -0.03 × T °C to +2.5 °C [100 °C < (T-Ts) ], T : measured temperature (-40 °C to 500 °C), Ts : environmental temperature (0 °C to 40 °C)

Model (Order Code)	9472	9473	9474	9475	9476
Material type	K type thermocouple (Chromel / Almel)
Contact type	Non-grounded	Non-grounded	Non-grounded	Non-grounded	Grounded
Tolerance	*2				*3
Response (90%)*1	About 5 sec	About 10 sec	About 5 sec	About 10 sec	About 3 sec
Size of Sheath (mm), (inch)	φ 2.3 × 150 (mm) φ 0.09 × 5.91 (in)	φ 4.8 × 300 (mm) φ 0.19 × 11.81 (in)	φ 2.3 × 100 (mm) φ 0.09 × 3.94 (in)	φ 4.8 × 100 (mm) φ 0.19 × 3.94 (in)	φ 20 (mm) φ 0.79 (in)
Compensation lead	Conventional type (-20 to 90˚C, -4 to 194˚F), 1m (3.28 ft)
Grip heat resistance	80 ˚C (176 ˚F)
Measurement temperature	−100 to 300 °C –148 to 572 °F	0 to 800 °C 32 to 1472 °F	−100 to 300 °C –148 to 572 °F	−100 to 500 °C –148 to 932 °F	−40 to 500 °C –40 to 932 °F

Probe specifications

*1 Sheath type: Responsiveness in ice water at 0 °C (32 °F) and in boiling water at 100 °C (212 °F)
Surface type: Responsiveness on a metal surface at 0 °C (32 °F) and at 100 °C (212 °F)
*2 At -40 °C (-40 °F ) and more , the greater of ±1.5 °C (±2.7 °F) and ±0.4 % of the measured value
*4 At -40 °C (-40 °F ) and more , the greater of ±2.5 °C (±4.5 °F ) and ±0.75% of the measured value

Model (Order Code)	9180, 9183	9181	9182
Material type	K type thermocouple (Chromel / Almel)
Contact type	Non-grounded	Grounded	Non-grounded
Tolerance	9180 : 4 9183 : 2	±2.5 ˚C (±4.5 ˚F ) [(T-Ts) ≤ 100 ˚C (180 ˚F )] −0.035×T ˚C to +2.5 ˚C [100 ˚C (180 ˚F ) < (T-Ts)] T: measurement temp. (-50 °C to 400 °C) Ts: environment temp. (0 °C to 50 °C)	*4
Response (90%)*1	About 5 sec	About 3 sec	About 5 sec
Size of Sheath (mm), (inch)	φ 3.2 × 150 (mm) φ 0.13 × 5.91 (in)	φ 13 (mm) φ 0.51 (in)	φ 3.2 × 500 (mm) φ 0.13 × 19.69 (in)
Compensation lead	Conventional type (-20 to 90˚C, -4 to 194˚F), 1m (3.28 ft)		Heat resisting type (0 to 150 °C, 32 to 302 °F) 2m (6.56 ft)
Grip heat resistance	150 °C (302 °F), Grip size φ 13 × 100 mm (φ0.51 in × 3.94 in)		90 °C (194 °F), clamp size φ 8 × 30 mm (φ 0.31 × 1.18 in)
Measurement temperature	−50 to 750 °C –58 to 1382 °F	−50 to 400 °C –58 to 752 °F	−50 to 750°C –58 to 1382°F

Temperature probes A (1)

Due to short range ordering, type K thermocouples exhibit increased thermal electromotive force when used to measure temperatures from 250°C to 600°C.

SHEATH TYPE TEMPERATURE PROBE 9473

K type, Size of Sheath: φ 4.8 mm (0.19 in) × 300 mm (11.81 in), 1 m (3.28 ft) Cord length

Temperature probes B (0)

Due to short range ordering, type K thermocouples exhibit increased thermal electromotive force when used to measure temperatures from 250°C to 600°C.